Compression resistance detection device for plastic package shell of chip

Abstract

The utility model relates to the technical field of compression resistance detection, in particular to a compression resistance detection device for a plastic package shell of a chip. Comprising a detection table and a conveying belt, two sets of sliding grooves are formed in the detection table, a plurality of sets of rollers are arranged at the bottom end of the conveying belt and movably attached to the inner walls of the two sets of sliding grooves respectively, and an electric push rod drives a pressing plate to move downwards so that the pressing plate can generate pressure on a chip plastic package shell. The pressure sensor transmits a pressure value to the controller, after the pressure value reaches a standard pressure value, the controller enables the electric push rod to ascend to complete the pressure resistance detection of the chip plastic package shells, the conveying belt continues to move to drive the next group of chip plastic package shells to move to the position below the top plate, and the pressure resistance detection of the chip plastic package shells continues to be carried out. The device can continuously carry out pressure resistance detection on a plurality of chip plastic package shells, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of compressive testing, and particularly relates to a compressive testing device for a chip plastic package shell. Background Art

[0002] After the integrated circuit chip is packaged, it must be strictly tested to ensure the product quality. Chip appearance inspection is an essential and important link, which directly affects the quality of IC products and the smooth progress of subsequent production links. Its application in the field of chip appearance inspection is becoming more and more common, which is a development trend of IC chip appearance inspection.

[0003] After retrieval, in the prior art, Chinese Application No.: CN202222196896.8, Application Date: August 19, 2022, discloses a compressive testing device for an electronic chip plastic package shell, including a base, side plates, a top plate and a plastic package shell placement platform. The side plates are vertically installed on one side of the base, the top plate is vertically installed at the top of the side plates, the plastic package shell placement platform is arranged above the base, and a shock absorption component is installed between the lower end surface of the plastic package shell placement platform and the upper end surface of the base. A pressing plate component is installed inside the top plate. The structure of the utility model is novel in design and convenient to operate, can realize the compressive performance test of the electronic chip plastic package shell, has high test accuracy, does not damage the surface of the electronic chip plastic package shell, and can improve the detection efficiency.

[0004] However, this device still has the following defects: Although it can realize the compressive performance test of the electronic chip plastic package shell, has high test accuracy, does not damage the surface of the electronic chip plastic package shell, and can improve the detection efficiency. However, this device cannot conduct continuous compressive force detection on the electronic chip plastic package shell, and manual operation is required to replace a new chip plastic package shell for detection, which increases the workload of workers. Content of the Utility Model

[0005] In view of the above problems, the utility model provides a compressive testing device for a chip plastic package shell, including a testing table and a conveyor belt. Two groups of sliding grooves are formed on the testing table. A plurality of groups of rollers are arranged at the bottom end of the conveyor belt, and the plurality of groups of rollers are respectively in active fit with the inner walls of the two groups of sliding grooves. The conveyor belt is in active fit with the testing table. A plurality of groups of conveying grooves are formed on the conveyor belt, bottom plates are arranged in the plurality of groups of conveying grooves, two groups of limiting mechanisms are arranged on each of the plurality of groups of bottom plates, and a chip plastic package shell is movably clamped between the two groups of limiting mechanisms;

[0006] Two groups of support shafts are fixedly connected to the detection platform, and the two groups of support shafts are symmetrically distributed with the central axis of the detection platform as the center, the ends of the two groups of support shafts are fixedly connected to the top plate, and a plurality of through holes are opened on the top plate, and linkage shafts are slidably connected in the through holes of several groups, and the ends of several groups of linkage shafts are fixedly connected with limiting bolts, and the other ends of several groups of linkage shafts are fixedly connected to a pressure plate, and a pressure sensor is fixedly connected to the bottom of the pressure plate, and an electric push rod is fixedly connected to the top plate, and the output end of the electric push rod is transmission-connected to the center of the central axis of the pressure plate.

[0007] Furthermore, a plurality of groups of material leakage troughs are provided on the detection platform, and a material collection box is provided at the bottom end of the detection platform, and the material collection box is located directly below the plurality of groups of material leakage troughs.

[0008] Furthermore, a controller is provided on the detection platform, and the controller is electrically connected to the pressure sensor and the electric push rod.

[0009] Furthermore, the bottom plate is provided with a plurality of groups of leakage holes, and the plurality of groups of leakage holes are respectively located at the corners of the bottom plate.

[0010] Furthermore, two groups of limiting holes are opened on the bottom plate, and the two groups of limiting holes are symmetrically distributed with the central axis of the bottom plate as the center, and the two groups of limiting holes are movably fitted with the two groups of limiting mechanisms respectively.

[0011] Furthermore, the limiting mechanism includes a limiting rod, the limiting rod is movably fitted with the limiting hole, and the end of the limiting rod is fixedly connected to the limiting plate.

[0012] Furthermore, the limiting plate is movably connected to the chip plastic package shell, a spring is arranged between the limiting plate and the bottom plate, and the spring is sleeved on the limiting rod.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting several groups of rollers at the bottom of the conveyor belt, the conveyor belt is fitted with the testing table to transport the chip plastic shell. Through two groups of limit mechanisms, the chip plastic shell is fixed on the bottom plate in the conveying trough during the conveying and testing process. The electric push rod drives the pressure plate to move downward, so that the pressure plate generates pressure on the chip plastic shell. The pressure sensor transmits the pressure value to the controller. After reaching the standard pressure value, the controller makes the electric push rod rise to complete the pressure resistance test of the chip plastic shell. The conveyor belt continues to move, driving the next group of chip plastic shells to move to the bottom of the top plate, and the pressure resistance test of the chip plastic shell is continued. The device can continuously perform pressure resistance tests on multiple chip plastic shells to improve the detection efficiency.

[0015] 2. Through the compressive strength detection of the chip plastic package housing, the qualified chip plastic package housing enters the next processing point through the conveyor belt, and the unqualified chip plastic package housing is crushed by the pressing plate, so that the crushed material enters the leakage trough through the leakage hole, and then enters the aggregate box to collect the crushed material. By setting several groups of linkage shafts, when the pressing plate moves downward, several groups of linkage shafts fit on the inner wall of the through hole, making the pressing plate more stable during the descending process, preventing the pressing plate from tilting and affecting the test effect. While the device completes the accurate detection of the compressive strength of the chip plastic package housing, it can automatically collect the crushed material, reducing the workload of workers.

[0016] Other features and advantages of the present invention will be described in the following description, and in part, will be obvious from the description, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained by the structure pointed out in the description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 Shows the schematic diagram of the main structure according to an embodiment of the present invention;

[0019] Figure 2 Shows the cross-sectional view of the main structure according to an embodiment of the present invention;

[0020] Figure 3 Shows the schematic diagram of the partial structure of the conveyor belt according to an embodiment of the present invention;

[0021] Figure 4 Shows the schematic diagram of the structure of the limiting mechanism according to an embodiment of the present invention.

[0022] In the figure: 1, detection table; 2, chute; 3, conveyor belt; 4, roller; 5, conveying trough; 6, bottom plate; 7, limiting mechanism; 71, limiting rod; 72, limiting plate; 73, spring; 8, support shaft; 9, top plate; 10, linkage shaft; 11, limiting bolt; 12, through hole; 13, pressing plate; 14, pressure sensor; 15, electric push rod; 16, leakage trough; 17, aggregate box; 18, limiting hole; 19, leakage hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] An anti-compression detection device for a chip plastic package housing is proposed in an embodiment of the present utility model, which includes a detection table 1 and a conveyor belt 3; Exemplarily, as Figure 1 and Figure 2 shown.

[0025] Two groups of sliding grooves 2 are provided on the detection table 1. A number of groups of rollers 4 are provided at the bottom end of the conveyor belt 3. The number of groups of rollers 4 are respectively in active fit with the inner walls of the two groups of sliding grooves 2. The conveyor belt 3 is in active fit with the detection table 1. A number of groups of conveying grooves 5 are provided on the conveyor belt 3. Bottom plates 6 are provided in the number of groups of conveying grooves 5. Two groups of limiting mechanisms 7 are provided on the number of groups of bottom plates 6. A chip plastic package housing is movably clamped between the two groups of limiting mechanisms 7;

[0026] Two groups of support shafts 8 are fixedly connected to the detection table 1. The two groups of support shafts 8 are symmetrically distributed with the central axis of the detection table 1 as the center. The ends of the two groups of support shafts 8 are fixedly connected with a top plate 9. A number of groups of through holes 12 are provided on the top plate 9. Linkage shafts 10 are slidably connected in the number of groups of through holes 12. Limit bolts 11 are fixedly connected to the ends of the number of groups of linkage shafts 10. The other ends of the number of groups of linkage shafts 10 are fixedly connected with a pressing plate 13. A pressure sensor 14 is fixedly connected to the bottom of the pressing plate 13. An electric push rod 15 is fixedly connected to the top plate 9. The output end of the electric push rod 15 is in transmission connection with the central axis center of the pressing plate 13. A number of groups of material leakage grooves 16 are provided on the detection table 1. An aggregate box 17 is provided at the bottom end of the detection table 1. The aggregate box 17 is located directly below the number of groups of material leakage grooves 16. A controller is provided on the detection table 1. The controller is electrically connected to both the pressure sensor 14 and the electric push rod 15.

[0027] Exemplarily, as Figure 3 shown.

[0028] A number of groups of material leakage holes 19 are provided on the bottom plate 6. The number of groups of material leakage holes 19 are respectively located at the corners of the bottom plate 6. Two groups of limiting holes 18 are provided on the bottom plate 6. The two groups of limiting holes 18 are symmetrically distributed with the central axis of the bottom plate 6 as the center. The two groups of limiting holes 18 are respectively in active fit with the two groups of limiting mechanisms 7.

[0029] The limiting mechanism 7 includes a limiting rod 71; Exemplarily, as Figure 4 shown.

[0030] The limiting rod 71 is movably attached to the limiting hole 18. A limiting plate 72 is fixedly connected to the end of the limiting rod 71. The limiting plate 72 is movably clamped with the chip plastic package housing. A spring 73 is arranged between the limiting plate 72 and the bottom plate 6. The spring 73 is sleeved on the limiting rod 71.

[0031] A chip plastic package housing compressive strength detection device proposed by an embodiment of the present utility model has the following working principle:

[0032] By arranging a plurality of groups of rollers 4 at the bottom of the conveyor belt 3, when the conveyor belt 3 conveys the chip plastic package housing, it is movably attached to the detection table 1. By placing the chip plastic package housing in the conveying groove 5, the bottom plate 6 is attached to the chip plastic package housing. Through two groups of limiting mechanisms 7, the chip plastic package housing is fixed on the bottom plate 6 during the conveying and detection process. When the chip plastic package housing is conveyed to the lower part of the top plate 9, the electric push rod 15 drives the pressing plate 13 to move downward, so that the pressing plate 13 generates pressure on the chip plastic package housing. The pressure sensor 14 transmits the pressure value to the controller. After reaching the standard pressure value, the controller makes the electric push rod 15 rise to complete the compressive strength detection of the chip plastic package housing. Through the continuous movement of the conveyor belt 3, the next group of chip plastic package housings are driven to move to the lower part of the top plate 9, and the compressive strength detection of the chip plastic package housings continues.

[0033] Through the compressive strength detection of the chip plastic package housing, the qualified chip plastic package housings enter the next processing point through the conveyor belt 3. The unqualified chip plastic package housings are crushed by the pressing plate 13, so that the crushed materials enter the leakage hole 19 and then enter the leakage groove 16, and then enter the aggregate box 17 to collect the crushed materials. Without manual cleaning, the compressive strength detection work of the next group of chip plastic package housings can be carried out. By arranging a plurality of groups of linkage shafts 10, when the pressing plate 13 moves downward, the plurality of groups of linkage shafts 10 are attached to the inner wall of the through hole 12, so that the pressing plate 13 is more stable during the descending process, preventing the pressing plate 13 from tilting and affecting the test effect.

[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A chip plastic package shell compressive strength detection device, comprising a detection table (1) and a conveyor belt (3), characterized in that: Two sets of sliding grooves (2) are formed in the detection table (1). A number of sets of rollers (4) are provided at the bottom end of the conveyor belt (3). The rollers (4) of a number of sets are respectively in movable contact with the inner walls of the two sets of sliding grooves (2). The conveyor belt (3) is in movable contact with the detection table (1). A number of sets of conveying grooves (5) are formed in the conveyor belt (3). Bottom plates (6) are arranged in the conveying grooves (5) of a number of sets. Two sets of limiting mechanisms (7) are arranged on the bottom plates (6) of a number of sets. A chip plastic package shell is movably clamped between the two sets of limiting mechanisms (7). Two sets of support shafts (8) are fixedly connected to the detection table (1). The two sets of support shafts (8) are symmetrically distributed with the central axis of the detection table (1) as the center. The end parts of the two sets of support shafts (8) are fixedly connected with a top plate (9). A number of sets of through holes (12) are formed in the top plate (9). Linkage shafts (10) are slidably connected in the through holes (12) of a number of sets. Limiting bolts (11) are fixedly connected to the end parts of the linkage shafts (10) of a number of sets. A pressing plate (13) is fixedly connected to the other ends of the linkage shafts (10) of a number of sets. A pressure sensor (14) is fixedly connected to the bottom of the pressing plate (13). An electric push rod (15) is fixedly connected to the top plate (9). The output end of the electric push rod (15) is in transmission connection with the central axis center of the pressing plate (13).

2. The compressive strength detection device for a chip plastic package housing according to claim 1, characterized in that: A number of sets of material leakage grooves (16) are formed in the detection table (1). An aggregate box (17) is arranged at the bottom end of the detection table (1). The aggregate box (17) is located directly below the material leakage grooves (16) of a number of sets.

3. The compressive strength detection device for a chip plastic package housing according to claim 2, wherein: A controller is arranged on the detection table (1). The controller is electrically connected to the pressure sensor (14) and the electric push rod (15).

4. The compressive strength detection device for a chip plastic package housing according to claim 1, characterized in that: A number of sets of material leakage holes (19) are formed in the bottom plate (6). The material leakage holes (19) of a number of sets are respectively located at the corners of the bottom plate (6).

5. The compressive strength testing device for a chip plastic package housing according to claim 4, wherein: Two sets of limiting holes (18) are formed in the bottom plate (6). The two sets of limiting holes (18) are symmetrically distributed with the central axis of the bottom plate (6) as the center. The two sets of limiting holes (18) are respectively in movable contact with the two sets of limiting mechanisms (7).

6. The compressive strength detection device for a chip plastic package housing according to claim 1, wherein: The limiting mechanism (7) includes a limiting rod (71). The limiting rod (71) is in movable contact with the limiting hole (18). A limiting plate (72) is fixedly connected to the end part of the limiting rod (71).

7. The compressive strength detection device for a chip plastic package housing according to claim 6, characterized in that: The limiting plate (72) is movably clamped with the chip plastic package shell. A spring (73) is arranged between the limiting plate (72) and the bottom plate (6). The spring (73) is sleeved on the limiting rod (71).

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